Beastie Boys Remember Adam 'MCA' Yauch, Share Origins of Their 'Stupid Name' on 'Fallon': Watch

Mike D and Adrock
Andrew Lipovsky/NBC

Mike D and Adrock during an interview with host Jimmy Fallon on Oct. 31, 2018 on The Tonight Show Starring Jimmy Fallon. 

The Beastie Boys are fully grown-up Beastie Men nowadays, but they’re still fond of childish windups. 

The hip-hop veteran's surviving members Adam "Ad-Rock" Horovitz and Michael "Mike D" Diamond dropped by The Tonight Show Starring Jimmy Fallon to tell stories from their new memoir, Beastie Boys Book, and remember their beloved bandmate, Adam Yauch (aka MCA) who died in 2012 after a battle with cancer. 

With Halloween on every overgrown kid’s mind right now, Ad-Rock shared a story from the book, involving a curious guy who cornered him backstage at a gig in San Francisco and offered him a ring. After some gentle nudging, Ad-Rock accepted the gift. Over the next 15 years, this piece of jewelry would appear in unsuspecting paces, and the boys were starting to freak out. “What the f*** is up with this thing,” he recounted. In the end, there was no curse or bad juju, just the work of chief-prankster Yauch, playing the long game.   

More laughs were to come when Mike D shared the story behind the band’s name. It’s an acronym, for "boys, entering anarchistic states towards inner excellence." And yes, he admitted, “it was a stupid name."

Later, the host let out his inner fanboy and showed a vintage homemade clip of him lip syncing to the Beasties’ classic “So What'cha Want” from 1992’s Check Your Head. The pair are on the road for their Beastie Boys Book: Live & Direct tour in support of the autobiography, which arrived Oct. 30.